Question

steps of digestion of food in small intestine

Answer 1

The partial digested food enters small intestine.The complete digestion of carbohydrates,proteins and fats take place in small intestine.carbohydrate convert into glucose,proteins convert into amino acid and fats convert into glucogen and fatty acids.villi is a hair like structure present in small and large intestine which increase the surface area of absorption.the glucose form in small intestine stored in all cell.when a body require energy the glucose get oxidise and form CO2 and H2O energy as well. 

Answer 2

Ingestion.
Digestion.
Absorption / Assimilation.
Elimination / Defecation.